docs: def _delete_guest(self, guest_id):
          """Deletes a guest and returns 'Cancelled' or and Exception message"""
          msg = 'Cancelled'
          try:
              self.guest.deleteObject(id=guest_id)
          except SoftLayer.SoftLayerAPIError as e:
              msg = 'Exception: ' + e.faultString
  
          return msg